20101391 is an odd 8-digits composite number following 20101390
and preceding 20101392 . In scientific notation, it is written as 2.0101391 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 19671840 positive integers (up to 20101391) that are relatively prime to 20101391.
20101391 has 8 divisors, whose sum is 20534400
The reverse of 20101391 is 19310102
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred one thousand three hundred ninety-one
Scientific notation
2.0101391 × 10^7
Engineering notation
2.0101391 × 10^6
Prime Factorization
61 × 229 × 1439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20101391
Product of the distinct prime numbers
The prime factorization of 20101391 is 61 × 229 × 1439.
Since it has a total of 3 prime factors.
9 , 6 , 34 , 77 , 622 , 368 , 5884 , 6458 , 21142 , 75180 , 988405 , 80355 , 486055 , 1458260 , 73991609 , 52185246 , 270593078 , 375290583 , 707967058 , 4270999293
n×2
40202782
n×3
60304173
n×4
80405564
n×5
100506955
n÷2
10050695.5
n÷3
6700463.6666667
n÷3
5025347.75
n÷5
4020278.2
n2
404065920134881
n3
8.122287050406E+21
n4
1.6326926781445E+29
n5
3.2819393906219E+36
2 √n
4483.4574827916
3 √n
271.89968456896
4 √n
66.958625156074
5 √n
28.883194330589
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20101390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20101391 can be divided by 8 positive divisors.
The sum of these divisors (counting 20101391) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101011100100001111
3
Ternary
1101211020220222
4
Quaternary
1030223210033
5
Quinary
20121221031
6
Senary
1554501555
8
Octal
114534417
10
Decimal
20101391
12
Duodecimal
68948bb
16
Hexadecimal
132b90f
20
Vigesimal
65cd9b
36
Base36
byubz
md5
6fe4ecb2e0881d590cf6b542ce8dd8f8
sha1
a93d60f01ccabe6b8bb0fc1a442bbb8c98418712
sha256
04380f37199894242200ccaa8ff8226a19d4dfa0d81677a57b58fff3142655f0
sha512
e68e93dd62638e4db04174d2afce00545e5cac6c8e56dc991c020e81310bca5c975052829b2ad71ebbb131142dfb355894ff29e53748319f67058d38bce265c7
ripemd-160
1e25baac50b6d9b4dbb61dc0c65c478efd651461
Diameter
40202782
Circumference
126300764.58507
Area
1.2694105262617E+15
Volume
3.4022556437204E+22
Surface area
5.077642105047E+15
Circumference
126300764.58507
Perimeter
80405564
Area
404065920134881
Diagonal
28427659.774764
Surface area
2424395520809286
Volume
8.122287050406E+21
Space diagonal
34816630.514808
Perimeter
60304173
Area
1.7496567582017E+14
Altitude
17408315.257404
Surface area
1.7496567582017E+14
Volume
9.5722070868096E+20
Height
9475886.5915882